Smart phone case with interior design



FIG. 1 is a front, top, right perspective view of a smart phone case with interior design;

FIG. 2 is a front elevation view of the smart phone case with interior design of FIG. 1; and,

FIG. 3 is an enlarged detail view of the interior surface texture shown within the rectangular region bounded by broken line in FIG. 1.

In FIGS. 1 and 3, a broken line indicated by an arrow in FIG. 1 delineates the portion of the design that is shown on an enlarged scale in FIG. 3. The broken lines immediately adjacent the surface shaded area represent the bounds of the claimed design while all other broken lines are included for the purpose of illustrating environment and unclaimed features; the broken lines form no part of the claimed design. 

CLAIM The ornamental design for a smart phone case with interior design, as shown and described. 